Table I.

Study hypotheses.

Items	Hypothesis 1
Supposition	Differences regarding the perception of quality of life in patients with AD versus patients with stroke
Dependent variable	Perception of the quality of life operationalized by the score obtained by applying the WHO
	Questionnaire of Well-being.
Items	Hypothesis 2
Supposition	Differences regarding the profile of affective distress in AD patients versus patients with stroke
Dependent variable	Affective distress profile measured using the PAD Scale.
Items	Hypothesis 3
Supposition	Differences regarding perceived stress in AD patients versus patients with stroke
Dependent variable	Level of perceived stress measured by applying the PSQ.

AD, Alzheimer's disease; PAD, Profile of Affective Distress; PSQ, Perceived Stress Questionnaire.